The informant made more than 40 recordings, capturing up to 200 hours of conversations - some of the ammo behind this week's indictment of 14 wiseguys. He went to the feds and betrayed his associates because he didn't want to get in any deeper with trafficking underage girls through craigslist, a source said. The tapes include one of the Gambino crew members telling a 15-year-old prostitute how to handle a customer who disgusted her, court records revealed.

Meanwhile, the FBI still is searching for 31-year-old Steve Maiurro on charges in connection with the sex trafficking of a 15-year-old girl, and has released his photo, description and vitals pursuant to a crime alert:

Steven Maiurro is wanted for his alleged involvement in a sex trafficking operation run by the Gambino Crime Family in Staten Island, and Brooklyn, New York. From 2008 to 2009, Maiurro was allegedly involved in the operation of a prostitution business where young women and underage girls were exploited and sold for sex. On April 19, 2010, a federal indictment was issued in the United States District Court, Southern District of New York, and a warrant was issued for Maiurro's arrest. He was charged with four counts related to sex trafficking.